Wiring Diagram AUDI TT 2002 - Lighting switch - front and rear fog light switch - headlight dipper/flasher switch
| E1 | Lighting switch |
| E23 | Front and rear fog light switch |
| J285 | Control unit with display in dash panel insert |
| K13 | Rear fog light warning lamp |
| K17 | Fog light warning lamp |
| L9 | Lighting switch light bulb |
| L40 | Front and rear fog light switch illumination bulb |
| L46 | Rear fog light bulb, left |
| N74 | Resistance wire |
| S236 | Fuse 36 in fuse box |
| T32 | 32-pin connector, blue, on dash panel insert |
| 238 | Earth connection -1-, in interior wiring harness, near luggage compartment light |
| 277 | Earth connection -3-, in interior wiring harness, behind dash panel |
| A3 | Positive (+) connection (58), in dash panel wiring harness |
| A19 | Connection (58s), in dash panel wiring harness (switch illumination) |
| A51 | Connection (56), in dash panel wiring harness |
| B145 | Positive (+) connection (58s), in interior wiring harness |
| * | Headlights without gas discharge lamps |
| ** | Headlights with gas discharge lamps |
Wiring Diagram AUDI TT 2002 - Ignition/starter switch - X contact relief relay
| B | Starter |
| D | Ignition/starter switch |
| E4 | Headlight dipper/flasher switch |
| J17 | Fuel pump relay |
| J59 | X contact relief relay |
| S3 | Fuse in fuse box |
| S4 | Fuse in fuse box |
| S10 | Fuse in fuse box |
| S237 | Fuse 37 in fuse box |
| X | Number plate light |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| B138 | Positive (+) connection (X), in interior wiring harness, near micro-central electrics |
| B156 | Positive (+) connection -4- (30), in interior wiring harness |
| * | Up to 10.2001 |
| ** | From 11.2001 onwards |
Wiring Diagram AUDI TT 2002 - Headlight - left
| J5 | Fog light relay |
| L22 | Fog light bulb, left |
| M1 | Side light bulb, left |
| M29 | Dipped beam bulb, left |
| M30 | Main beam bulb, left |
| S19 | Fuse in fuse box |
| S21 | Fuse in fuse box |
| S223 | Fuse 23 in fuse box |
| T10ac | 10-pin connector, on headlight, left |
| 12 | Earth point, in engine compartment, left |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| B141 | Positive (+) connection -1- (56a), in interior wiring harness |
| C25 | Connection (fog light), in front lighting wiring harness |
Wiring Diagram AUDI TT 2002 - Headlight - right
| K1 | Main beam warning lamp |
| L23 | Fog light bulb, right |
| M3 | Side light bulb, right |
| M31 | Dipped beam bulb, right |
| M32 | Main beam bulb, right |
| S18 | Fuse in fuse box |
| S20 | Fuse in fuse box |
| S22 | Fuse in fuse box |
| T10ad | 10-pin connector, on headlight, right |
| T32 | 32-pin connector, blue, on dash panel insert |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| A103 | Connection -2- (56), in dash panel wiring harness |
| B142 | Positive (+) connection -2- (56a), in interior wiring harness |
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